AS 1428.1-2009 PWD Code

                                                 69                                 AS 1428.1—2009



       15.2.4 Backrest
       A backrest shall be provided on accessible toilets. The backrest shall—
       (a)    be capable of withstanding a force in any direction of 1100 N;
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       (b)    have a height, at the lower edge of backrest to the top of the WC seat, of
              120 mm to 150 mm, as shown in Figure 39(a);
       (c)    have a vertical height of 150–200 mm and a width of 350–400 mm, as shown
              in Figure 39(a); and
       (d)    the front edge of the centre of the backrest be positioned to achieve an angle
              of between 95° to 100° back from the seat hinge (Figure 39(b)).
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                                      DIMENSIONS IN MILLIMETRES

                        FIGURE 39 (in part) WATER CLOSET INSTALLATION



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